The present invention provides a bipolar compound represented by formula (I) and the derivatives thereof as a host material having excellent bipolar transporting properties for organic light-emitting diodes (OLEDs). The present invention also relates to a device including at least a layer of the bipolar compound and/or the derivatives thereof as a host material and a method of making the same.
本发明提供了一种双极化合物,其表示为公式(I)及其衍
生物作为有机发光二极管(OLED)的优异双极传输性能的宿主材料。本发明还涉及包括至少一层双极化合物和/或其衍
生物作为宿主材料的器件以及制造该器件的方法。